JPS6096550U - Refrigeration equipment - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の蒸発器の冷媒流通経路図、第２図は冷凍
サイクル図、第３図はこの考案の一実施例を示す蒸発器
の斜視図、第４図はこの考案の一実施例を示す蒸発器の
冷媒流通経路図である。 図中、１はファン、２は冷却管、１１は圧縮機、１２は
凝縮器、１３は絞り装置、１４は蒸発器、１５はＵベン
ド、１６，１７は電磁弁、１８はバイパス回路である。 なお、図中、同一符号は同一または相当部分を示す。Fig. 1 is a refrigerant flow path diagram of a conventional evaporator, Fig. 2 is a refrigeration cycle diagram, Fig. 3 is a perspective view of an evaporator showing an embodiment of this invention, and Fig. 4 is an embodiment of this invention. FIG. 3 is a refrigerant flow path diagram of the evaporator. In the figure, 1 is a fan, 2 is a cooling pipe, 11 is a compressor, 12 is a condenser, 13 is a throttle device, 14 is an evaporator, 15 is a U-bend, 16 and 17 are electromagnetic valves, and 18 is a bypass circuit. . In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧縮機、凝縮器、絞り装置、蒸発器を順次連結゛　　　
し、上記圧縮機からの吐出ガスを上記蒸発器へ供給して
蒸発器の除霜を行うようにしたものにおいて、上記蒸発
器の冷却運転時、上記絞り装置からの冷媒を上記蒸発器
における空気流出側の所定高さに位置する冷却管に流入
させて上記空気流出側の冷却管を経て空気流出側最上段
の冷却管へ流通′させる第１の管路と、空気流出側最上
段の冷却管から空気流入側の最上段の冷却管へ冷媒流通
させる第２の管路と、上記空気流入側最上段の冷却管か
ら空気流出側の冷却管を経て空気流入側最下段−の冷却
管へ冷媒流通させる第３の管路と、上記空気流入側最下
段の冷却管から上記空気流出側最下段の冷却管の冷媒流
通させる第４の管路と上記空気流出側最下段の冷却管か
ら上記空気流出側の所定高さに位置する冷却管の直下方
に位置する冷却管へ冷媒流通させて上記圧縮機へ流出さ
せる第５の管路とを順次連結して上記蒸発器の冷媒流通
路を構成したことを特徴とする冷凍装置。Connect the compressor, condenser, throttling device, and evaporator in sequence.
and in which the discharge gas from the compressor is supplied to the evaporator to defrost the evaporator, when the evaporator is in cooling operation, the refrigerant from the expansion device is used to defrost the evaporator. A first conduit that allows the air to flow into a cooling pipe located at a predetermined height on the outflow side and flows through the air outflow side cooling pipe to the air outflow side topmost cooling pipe; A second pipe line that allows refrigerant to flow from the pipe to the uppermost cooling pipe on the air inflow side, and from the uppermost cooling pipe on the air inflow side to the lowest cooling pipe on the air inflow side via the cooling pipe on the air outflow side. A third conduit through which a refrigerant flows, a fourth conduit through which a refrigerant flows from the lowest cooling pipe on the air inflow side to the lowest cooling pipe on the air outflow side, and a fourth conduit through which the refrigerant flows from the lowest cooling pipe on the air outflow side to the A refrigerant flow passage of the evaporator is formed by sequentially connecting a cooling pipe located directly below the cooling pipe located at a predetermined height on the air outflow side with a fifth pipe line through which the refrigerant flows and flows out to the compressor. A refrigeration device characterized by comprising: